2.Ans.A repository is a place where the objects information
is  stored (logical name ,physical description).
we maintain repositories  because tool will identify objects
during runtime using obj rep information

1 Ans) 

     Testing the Software application with programming
knowledge is called as White box testing.
white box testing mainly concentrates on all the 
requirements are converted into working functionalities of 
the software or not?
 
    Testing the Software application with domain knowledge 
is called as black box testing.
Black box testing mainly concentrates on all the 
functionalities of the application.

    So white box testing and block box testing is totally 
different. So we must need white box testing ,when block 
box testing is available.


2 Ans)  Repository will contain mapfiles, The tool will 
recognize objects  using this.